Earl Rosco Weatherly was born on January 14, 1921, in Tyrrell County, N.C., to Warren Ellis and Ida L. West Weatherly. By 1930, the Weatherly family was living in Hopewell, Virginia, where Earl's father worked as a denitrator at a silk mill. By 1940, the Weatherly family had come to live in the town of Columbia in Tyrrell County, N.C. By 1940, Earl Weatherly was attending North Carolina State College (present-day North Carolina State University) in Raleigh, N.C., studying chemical engineering.
However, with the coming of World War II, Weatherly enlisted in and was inducted on August 15, 1941, in the U.S. Army Air Corps (later the U.S. Army Air Forces), at Fort Bragg, N.C. Weatherly was assigned to the 486th Bombardment Group, 3rd Bombardment Division, 8th Air Force. He was serving during D-Day at the Normandy invasion in June 1944 as an officer and pilot in the Army Training Command. Weatherly left military service in June 1945, having reached the rank of Captain during his military career.
After the war, Earl Weatherly returned to finished his bachelor's of science degree in chemical engineering from North Carolina State University in 1946. Weatherly was married to Genelle Watt. He would go onto become a department manager in the Process Planning Engineering Department with the Sun (Sunoco) Oil Company, from where he retired in March 1983. After his retirement, Weatherly came to live in Manteo, N.C., and Virginia Beach, Virginia. Earl R. Weatherly died on August 7, 2015, and was buried in Bodwell Cemetery in Columbia, N.C.